| Pronunciation: | | 'bIu`tIt
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 WordNet Dictionary |
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| | Definition: | |
[n] dark brown to black mica found in igneous and metamorphic rock |
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BIOTITE is a 7 letter word that starts with B. |
| | See Also: | | isinglass, lepidomelane, mica |
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| Webster's 1913 Dictionary |
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| | Definition: | | \Bi"o*tite\, n. [From Biot, a French naturalist.] (Min.)
Mica containing iron and magnesia, generally of a black or
dark green color; -- a common constituent of crystalline
rocks. See {Mica}.
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